Computer Architecture Quiz

What does CPU stand for?

• Central Program Unit

• Central Processing Unit

• Control Processing Unit

• Core Processor Unit

What is another name for a CPU?

• Motherboard

• Microprocessor

• Hard drive

• GPU

Which architecture is most commonly used in modern CPUs?

• Harvard

• Von Neumann

• Binary tree

• Hybrid

In the fetch-decode-execute cycle, what happens first?

• Execute

• Decode

• Fetch

• Store

What does the Control Unit (CU) do?

• Performs calculations

• Stores data

• Directs operations of CPU

• Increases clock speed

What is the role of the Arithmetic Logic Unit (ALU)?

• Controls input/output

• Performs calculations and logic

• Stores instructions

• Fetches data

Which register holds the address of the next instruction?

• Instruction Register

• Memory Address Register

• Program Counter

• Accumulator

Which register stores the current instruction being executed?

• Program Counter

• Instruction Register

• Memory Data Register

• Cache

Which register temporarily holds data being transferred to/from memory?

• MAR

• MDR

• IR

• ACC

Which register holds the address of a memory location to be accessed?

• Program Counter

• Memory Address Register

• MDR

• Cache